Seiko Cal. 6665 - 644

Seiko 6665-644

This Automatic model from 1983 features a 45mm Hardlex-Coated Steel case. Powered by the 6665 caliber with 35j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-e9f4a137e3e4]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Burgundy
Jewels
35j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1983

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